11500872 has 32 divisors (see below), whose sum is σ = 28862880. Its totient is φ = 3818880.

The previous prime is 11500861. The next prime is 11500873. The reversal of 11500872 is 27800511.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (11500873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6747 + ... + 8277.

It is an arithmetic number, because the mean of its divisors is an integer number (901965).

Almost surely, 2^11500872 is an apocalyptic number.

11500872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11500872 is an abundant number, since it is smaller than the sum of its proper divisors (17362008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11500872 is a wasteful number, since it uses less digits than its factorization.

11500872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853 (or 1849 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 11500872 is about 3391.2935585113. The cubic root of 11500872 is about 225.7235767305.

The spelling of 11500872 in words is "eleven million, five hundred thousand, eight hundred seventy-two".